1305072448787 has 2 divisors, whose sum is σ = 1305072448788. Its totient is φ = 1305072448786.

The previous prime is 1305072448759. The next prime is 1305072448793. The reversal of 1305072448787 is 7878442705031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1305072448787 - 2¹² = 1305072444691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1305072448387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652536224393 + 652536224394.

It is an arithmetic number, because the mean of its divisors is an integer number (652536224394).

Almost surely, 2^{1305072448787} is an apocalyptic number.

1305072448787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305072448787 is an equidigital number, since it uses as much as digits as its factorization.

1305072448787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10536960, while the sum is 56.

The spelling of 1305072448787 in words is "one trillion, three hundred five billion, seventy-two million, four hundred forty-eight thousand, seven hundred eighty-seven".